Viessmann Vitoligno 300-C Installation And Service Instructions For Contractors page 4

Index
Index
7. Troubleshooting
8. Maintenance
9. Parts lists
10. Function description
11. Connection and wiring dia-
gram
12. Commissioning/service
reports
13. Specification
14. Disposal
4
Fault display ........................................................................................... 69
Checking and acknowledging faults ................................................... 69
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Calling up acknowledged fault messages .......................................... 69
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Fault displays in plain text .................................................................. 69
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Calling up fault codes from the fault memory (fault history) ............... 69
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Deleting the fault codes from the fault memory .................................. 70
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Fault codes ......................................................................................... 70
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Fuses ..................................................................................................... 74
Battery ................................................................................................... 74
High limit safety cut-out ......................................................................... 74
Triggering the function ........................................................................ 74
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Cancelling the function ....................................................................... 74
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Sensors .................................................................................................. 75
Connection ......................................................................................... 75
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Checking sensors ............................................................................... 75
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Lambda probe ........................................................................................ 76
Checking the Lambda probe .............................................................. 76
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Calibrating the Lambda probe ............................................................ 76
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Connection ......................................................................................... 76
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Lambda probe specification ................................................................ 77
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Extension kit for heating circuit with mixer ............................................. 77
Flow temperature sensor .................................................................... 77
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Mixer motor, part no. 7450 657 ........................................................... 78
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Overview of assemblies ......................................................................... 81
Thermal insulation assembly ................................................................. 82
Boiler assembly ..................................................................................... 84
Ignition and air dampers ........................................................................ 86
Combustion chamber ............................................................................. 88
Drive unit ................................................................................................ 90
Cleaning and reversing chamber ........................................................... 92
Cover ..................................................................................................... 94
Pellet hopper assembly ......................................................................... 96
Control unit assembly ............................................................................ 98
Return temperature raising facility assembly .........................................102
Feed assembly ...................................................................................... 104
Ash box assembly ..................................................................................106
Miscellaneous assembly ........................................................................108
Display and operating elements ............................................................ 110
Start-Stop pushbutton function ........................................................... 110
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Control functions .................................................................................... 110
Solar circuit control unit ...................................................................... 110
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Heating circuit control unit .................................................................. 111
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Cylinder temperature control .............................................................. 113
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Screed drying ..................................................................................... 114
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Vacuum supply system .......................................................................... 115
Supply process ................................................................................... 115
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Pellet combustion sequence chart ......................................................... 116
................................................................................................................ 117
................................................................................................................123
................................................................................................................124
Final decommissioning and disposal ..................................................... 126